A detailed analysis of the sediment layers revealed evidence of a major flood that had occurred nearly two thousand years ago.
对沉积层的详细分析揭示了近两千年前发生的一场大洪水的证据。
The passage first explains the traditional method of estimating a tree's age by counting its growth rings, then describes how isotope analysis of the same rings can reveal historical climate conditions during each year of the tree's growth.
From a Text Structure and Purpose question · Craft and Structure
Contrary to the common assumption that ancient Roman concrete was inferior to modern concrete, recent analysis of Roman harbor structures that have survived intact for two thousand years suggests that certain volcanic-ash mixtures used by Roman builders actually grow stronger over time when exposed to seawater.
From a Central Ideas and Details question · Information and Ideas
The passage first explains the traditional method of estimating fish age by counting growth rings on a scale, then describes how a newer chemical analysis of the same scales can reveal which rivers a fish migrated through during each year of its life.
From a Text Structure and Purpose question · Craft and Structure
Which choice best defines “analysis”?
A — Detailed examination. “analysis” means detailed examination.
Which word means “detailed examination”?
D — analysis. “analysis” means detailed examination.
analysis — detailed examination. In Chinese: 分析.
analysis is pronounced /əˈnæləsɪs/.
A detailed analysis of the sediment layers revealed evidence of a major flood that had occurred nearly two thousand years ago. (对沉积层的详细分析揭示了近两千年前发生的一场大洪水的证据。)
examination, study, investigation — all close in meaning to analysis (detailed examination).
synthesis — each the opposite of analysis (detailed examination).
Yes. analysis is on the SAT Prep Easy list — mid-frequency academic words that do get tested. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
ana(separate)+lysis(break down)